Greek-derived nouns ending in -on change to -a in the plural form.
Moon is regular. It follows the Greek -a rule.
Use plural verbs: "The moa are ready" (not "is ready").
Yes. The plural moa is standard across all English variants.
The word moon follows the standard English pluralization rule. When forming the plural, moon becomes moa. This follows the Greek -a pattern, which is one of the most common plural rules in English.
Understanding why moon becomes moa helps with spelling and pronunciation. Greek-derived nouns ending in -on change to -a in the plural form.
When using moa in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The moa are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.